A. Gregory Sims, D.D.S.
General Practice Dentistry · Centennial, CO
A. Gregory Sims, D.D.S. is a general practice dentistry with a practice address in Centennial, Colorado, and NPI 1174646152, issued on Apr 6, 2007. Check the license (Colorado 7828, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- A. Gregory Sims
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 7828 CO
Self-reported in NPPES; status is on the state search - Practice location
- 7180 E Orchard RD, Centennial, CO 80111
- Phone
- (303) 290-8833
- Enumerated
- Apr 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (303) 290-6037
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,488 in Colorado → Look up another NPI →
Also registered at 7180 E Orchard RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify A. Gregory Sims in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 7828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
A. Gregory Sims among 2,488 general practice dentistry records in Colorado
A. Gregory Sims, D.D.S. is one of 2,488 general practice dentistry records with a practice address in Colorado. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 44% newer
- In a Medicare fileNo · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 general practice dentistry records list a practice address in Centennial
They are 77 of the 3,008 NPPES records with a practice address in Centennial, and 2,488 general practice dentistry records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,488 in Colorado → Every provider in Centennial → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Mayya Acherkan, D.D.S.Greenwood Village, CO 801111720124241
- Paul BottoneGreenwood Village, CO 801111770582066
- Mark Brodie, DDSGreenwood Village, CO 801111770517567
- William Case, DMDCentennial, CO 801111487726071
- Eric D'Hondt, D.D.S.Greenwood Village, CO 801111609805464
- Kevin Evans, DDSGreenwood Village, CO 801111174697585
- Charles Fischer, D.D.S.Greenwood Village, CO 801111619918380
- Charles Lee, DDSCentennial, CO 801111013091537
Common questions
What is A. Gregory Sims, D.D.S.'s NPI number?
A. Gregory Sims, D.D.S.'s National Provider Identifier (NPI) is 1174646152, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is A. Gregory Sims, D.D.S. located?
The NPPES record lists a practice address at 7180 E Orchard RD, Centennial, CO, 80111. Phone: (303) 290-8833. Providers update this record themselves, so call before visiting.
How can I verify A. Gregory Sims, D.D.S.'s license?
NPPES lists Colorado license number 7828, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.